Naoki Yoshida has officaily confirmed that the team of Final Fantasy XVI is working on a PC verison and two paid DLC. Acording to him, we get more information until the end of the year.
In addition there is free dlc that add features to Final Fantasy XVI. You are arble to use the skin of any weapon you own on other weapons.
You are able to use different outfits for Clive, Jill, Torgal,
Spoiler
Ambrosia and Joshua
They also add alternative controller layout to the game.
update:
Just started this yesterday its pretty good